basement membrane


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Related to basement membrane: Glomerular basement membrane

basement membrane

n.
A thin noncellular layer located between epithelial cells and the connective tissue that underlies them, composed of collagen and other proteins and having a variety of functions including support and filtration.

base′ment mem`brane


n.
a thin, extracellular membrane underlying epithelial tissue.
[1840–50]
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References in periodicals archive ?
Data was recorded and percentages were calculated for qualitative histological variables that include hepatic lobular pattern, central vein congestion, periportal inflammation, vacuolation and basement membrane continuity.
Kidney sections from the animals in group acrylamide and its derivatives, showed numerous histomorphological alterations that increasing mesangial matrix, cellular degeneration and swelling of the tubular epithelium glomerular hypercellularity, thickening of the glomerular basement membrane and glycogenic vacuolization in the tubular epithelium.
8],[9],[10] The electron microscope examination revealed that permethrin exposure caused to prominent histomorphometric alterations including vacuolization of Sertoli, and disorganization of the basement membrane.
Review of the histological findings and direct immunofluorescence examination confirmed the diagnosis of linear IgA bullous dermatosis, an intact skin punch biopsy showing 1 - 2+ linear staining in the region of the epidermal basement membrane.
b) Irregularity and patchy thickening of basement membrane (periodic acid shift x200).
DIF studies demonstrated linear IgA (4+) staining in the basement membrane zone.
The two specimens (before and after FDT), were compared with respect to the basement membrane pigmentation, percentage of dermis occupied by granuloma or inflammatory infiltrate per average low power field, presence of protective cells such as lymphocytes and epithelioid cells, the presence of acid fast bacilli and evidence of dermal fibrosis.
10 EB simplex is a non-scaring dominant disorder although the type of inheritance is recessive in some subtypes11, the intraepidermal bullae occur due to cytolysis of the basal cells, while in junctional and dystrophic forms the separation occurs through the lamina lucida of the basement membrane and lamina densa.
DIF microscopy demonstrating IgG and IgM deposits at the basement membrane zone; and 5.
With repeated episodes of epithelial breakdown and failed attempts at the development of a stable epithelial basement membrane adhesion complex, morphological changes eventually develop, leading to the classic map-dot-fingerprint epithelial and sub-epithelial findings that characterise this dystrophy.
Data suggests that the amnion basement membrane closely mimics the basement membrane of human oral mucosa.
Reduced urinary protein excretion and alleviated damage of podocytes and glomerular basement membrane were seen in the islet- transplanted rats.